Home / 54,217.44-74,827.20-30,353.28

Finding the Fourth Proportional to 54,217.44, 74,827.20 and 30,353.28

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Solution

The fourth proportional to 54,217.44, 74,827.20 and 30,353.28 is: 41,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,217.44 : 74,827.20 = 30,353.28 : x
  2. Step 2: Convert to fraction form
    54,217.44/74,827.20 = 30,353.28/x
  3. Step 3: Cross multiply
    54,217.44x = 74,827.20 × 30,353.28
  4. Step 4: Simplify right side
    54,217.44x = 2,271,250,953.22
  5. Step 5: Solve for x
    x = 2,271,250,953.22/54,217.44
  6. Step 6: Final answer
    x = 41,891.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.